Basicall is not different from universe sandbox: the particles work just like the ones of Universe Sandbox, but with a very nice lighting and much more dates to change (but not in an easy way like universe sandbox does). We can however notice that this programme shows more particles than how many there are (try to switch to "quickdraw" in the display panel and you will understand what i mean)

I downloaded it and it seems to be a perfectly normal program.Why do you think that if you pay for this program that you will get phishing?Please don't make accusations about viruses or phishing that are not supported by evidence.

Hey, I have an AWESOME ONE! It's called Gravity 3D, its hard to figure out, so read the ReadMe first.You can have up to 12 galaxies interacting... sadly... you can't place them. You can try to make files but it doesn't tell you what the values mean. I wish you could have a cluster of 10 and 2 on the outskirts. Dan, maybe you could figure it out?